Amalgam shaker



Feb. 18, 1930. J H. M cLuRE Y 3 AMALGAM SHAKER Filed Feb. 25, 1929 INVENTEIR John PLP'lcClure Patented Feb. 18, 1930 UNITED STATES JOHN H. MCCLURE, OF WHEELING, WEST VIRGINIA AMALGAM SHAKER Application filed February 25, 1929. Serial m5. 342,526.

This invention relates to amalgam mixers, and the primary object of the invention is to provide improved means for enabling the amalgam to be easily and quickly mixed.

A further object of the invention is to provide a mixer of the character mentioned which is of simple and economical construction and which provides means wherein the amalgam container may be easily and quickly applied to and removed therefrom.

A further object of the invention is to provide a device of this type which is composed of a minimum of parts that are compactly related.

In describing the invention in detail, reference is herein had to the accompanying drawings, in which- Figure 1 is a side elevation of my invention; and

Figure 2 is a side edge elevation of the same.

Referring to said drawings, the reference numeral 1 indicates a body of sleeve form having a short shaft 2 provided interiorly 25 thereof, said shaft 2 having its inner end formed with a tongue 3. The sleeve or body 1 is designed to conformably fit over the usual driving chuck of a dental engine, said.

tongue 3 being formed to engage said chuck in such manner that it is driven by the latter.

The outer end of said sleeve 1 is formed with a bearing-like head 4 in which the shaft 2 is journaled. Located integrally on said head are diametrically opposed and outwardly directed lugs 5, each of said lugs having therein a vertical slot or recess 5 in which is pivotally connected the lower ends of arms 6 and 7 therebetween, said arms being pivoted to said lugs 5 by means of pivot pins 14. The outer ends of said arms 6 and 7 are provided with confronting sockets 8, the latter being designed to receive therein the ends of a capsule-like container 9.

In order to clamp the arms 6 and to hold same in engagement with the container 9, a latch member 10 is provided, said latch being disposed transversely to the arms 6 and 7 and being pivoted to the arm 6. The latching member is formed with a bayonet slot 11 which is adapted to receive therein a pin 12 carried by the arm 7. The outer end of the stub shaft 2 has an eccentric" member or disk 13 rigidly attached thereto, said disk being' disposed between the inner lower sides of the arms 6' and 7, the latter preferably having cut-out portions 15 inwhich said disk is received. 5

In the operation, the-latching member 10- is disengaged from the pin 12 and the arms 6 and 7 separated to receive the ends of the 1 container 9 in the sockets 8 of said arms, whereupon said member 10 is moved to latched position, as shown in Fig. 1, thereby causing the container 9 to be firmly clamped by and between the arms at the socketed ends thereof. Upon the sleeve 1 being applied to the driving chuck of the dental engine and the tongue 3 of the shaft or spindle 2 engaged with said chuck, it will be apparent that the eccentric disk 13 will be rotated upon the starting of the dental engine, thus imparting a very rapid oscillatory movement to the container 9, causing the contents to be thoroughly mixed by the shaking movement.

It will be noted that the container may be easily and quickly applied to and. removed from the arms, due to its location at the outer ends of the arm, and that the latch may be conveniently manipulated to move the same into and out of engagement with the 80v container.

What is claimed is- 1. An amalgam mixer including a sleeve having a head, a shaft journaled in the head,

said sleeve being formed to telescope the driving chuck of a dental engine and said shaft being formed to engage the chuck so as to be rotated thereby, a collar rigidly mounted on said head and having diametrically opposed lugs thereon, a pair of arms pivoted 99 at their inner ends to and between the lugs, confronting sockets on the outer ends of the arms formed to engage the ends of a container, an eccentric disk carriedby the shaft and formed to engage the inner ends of the I arms, a latch member extending transversely of the arms and pivoted to one thereof,'and means on the other arm to releasably engage the latch member whereby to clamp the con 100 tainer between the sockets of the arms.

2. An amalgam mixer including a sleeve 7 having a head, a shaft journaled in the head, saidsleeve being formed to telescope the driving chuck of a dental engine and said shaft being formed to engage the chuck so as to be rotated thereby, a collar rigidly mounted on said head,apair of arms pivoted at their inner ends toithe collar, confronting Sockets on the outer ends of the arms formed to engage the ends of' a container, an eccentric disk carried by the shaft and form'ed" to-engage the arms, alatch member connected to one ofthe arms, and means on the other arm V I to releasably engage the latch member Whereby to clamp the container between the sockets of the -arms. i

;3. In; an amalgam mixer, a a pair ofarms pivoted to one end of the body, means earriedfiby the arms to engage and hold-a container therebetween, a rotatable. eccentric disk carriedby the body anddisposed between the. arms, means operating in the space b ej tween and engaging the arms to'oscillate same, andmeans forholding said'arms to- In testlmony whereof, I affix my signature, 

